Another strategy for graphing a piecewise function is to use a table of values. The table below has a column for the input value
s x and for each piece of the function. The shaded cells indicate where the pieces do not define the function for those input values and so you do not need to find those values. You will need to decide which piece is used to define the function when x=3
1 answer:
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Start with the given expression:
.
Simplify by grouping like terms:
Isolate variable terms:
Solve for x:
Therefor the expression holds for integers less than or equal to 14.
As a check:
TRUE
and:
FALSE
The only choice that fits is A.
Simplify by grouping like terms:
Isolate variable terms:
Solve for x:
Therefor the expression holds for integers less than or equal to 14.
As a check:
and:
The only choice that fits is A.